CVE-2012-2663 Affecting iptables-ipv6 package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
2.74% (86th percentile)

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  • Snyk IDSNYK-CENTOS6-IPTABLESIPV6-1942644
  • published26 Jul 2021
  • disclosed2 Dec 2011

Introduced: 2 Dec 2011

CVE-2012-2663  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 iptables-ipv6.

NVD Description

Note: Versions mentioned in the description apply only to the upstream iptables-ipv6 package and not the iptables-ipv6 package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

extensions/libxt_tcp.c in iptables through 1.4.21 does not match TCP SYN+FIN packets in --syn rules, which might allow remote attackers to bypass intended firewall restrictions via crafted packets. NOTE: the CVE-2012-6638 fix makes this issue less relevant.

CVSS Base Scores

version 3.1